#include <stdio.h>

int add(int x, int y);
int sub(int x, int y);
int mul(int x, int y);
int div(int x, int y);
int mod(int x, int y);

int main(int argc, const char *argv[])
{
	int a = 6, b = 4;
	int sum = 0;
	sum = add(a,b);
	printf("a + b = %d, \n",sum);
	printf("a - b = %d, \n",sub(a,b));
	printf("a * b = %d, \n",mul(a,b));
	printf("a / b = %d, \n",div(a,b));
	printf("a mod b = %d, \n",mod(a,b));


	return 0;
}

int add(int x, int y)
{
	return x + y;
}

int sub(int x, int y)
{
	return x - y;
}

int mul(int x, int y)
{
	return x * y;
}

int div(int x, int y)
{
	return x / y;
}

int mod(int x, int y)
{
	return x % y;
}
